1. Department of Vitreoretina Service, M. N. Eye Hospital, Chennai, Tamil Nadu, India
2. Department of Glaucoma and Research, Mahathma Eye Hospital Private Limited, Trichy, Tamil Nadu, India
3. Department of Oculoplasty Service, M. N. Eye Hospital, Chennai, Tamil Nadu, India
4. Department of Medical Retina Service, M. N. Eye Hospital, Chennai, Tamil Nadu, India
5. Department of Optometry and Visual Science, Mahathma Eye Hospital Private Limited, Trichy, Tamil Nadu, India